Low Impact Development


Faced with ever increasing requirements for stormwater treatment, developers benefit from innovative solutions for bioretention and on-site treatment.

Santa Susana Field Laboratory Stormwater Treatment

Treatment systems that harness natural processes to clean stormwater runoff form the parking lot. As water flows from the storage tank through the sedimentation basin and biofilters, plants and soil capture sediment and pollutants before clean water flows back into the watershed. List of Services: Biofiltration soil specification, design of planting palletes for biofiltration systems, design of educational interpretive panels, design of LID systems.

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Hidden Hills Residential Development

WRA engaged with the client and project engineer to integrate stormwater treatment bioretention basins and swales into the trail and streetscape corridor. List of Services: conceptual drawings including cross sections, planting design, and fine grading.

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Pacific Commons Stormwater Treatment Wetland

The developer challenged the design team to design a large scale stormwater treatment wetland that would clean stormwater, provide habitat for wildlife, and become an attraction to end users of the mixed commercial/residential development. WRA collaborated with water resource engineers and other designers to integrate wetland and wildlife habitat into what has become a popular local spot for bird watching. List of Services: Design of stormwater treatment wetlands, grading and planting plans for freshwater marsh habitat, preparation of construction documents and construction observation services.

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